The coarse broken material is sent by the belt conveyor to the sand making machine for further crushing. The finely divided material is transported to the vibrating screen for sieving. The material that has reached the required particle size is sent to the sand washer for cleaning.

The material (limestone, granite, basalt, gneiss, river stone, cobblestone) will be fed into the jaw crusher to be crushed preliminarily. The material after be thickly crushed preliminarily will be transported to the counter attack crusher to be crushed further by the belt conveyor.